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KEY FACTS
Terminology
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
- Rocky Mountain spotted fever (RMSF), Q fever, epidemic typhus (ET)
Synonyms
- Tick typhus, Tobia fever (Colombia), febre maculosa (Brazil), fiebre manchada (Mexico)
Definitions
- Zoonotic infections of squirrels and other animals → ticks carrying Rickettsia → humans
- Exception is Q fever (caused by Coxiella burnetii) transmitted by inhalation
- Zoonotic infections of squirrels and other animals → ticks carrying Rickettsia → humans
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Akram SM et al: Rickettsia prowazekii (epidemic typhus), 2020
- Snowden J et al: Rickettsia rickettsiae (Rocky Mountain spotted fever), 2020
- Bermúdez CSE et al: A review of the genus Rickettsia in Central America. Res Rep Trop Med. 9:103-112, 2018
- Delord M et al: Rickettsioses and Q fever in travelers (2004-2013). Travel Med Infect Dis. 12(5):443-58, 2014
- Hart BL et al: Armies of Pestilence: CNS Infections as Potential Weapons of Mass Destruction. AJNR Am J Neuroradiol. ePub, 2014
- Parola P et al: Update on tick-borne rickettsioses around the world: a geographic approach. Clin Microbiol Rev. 26(4):657-702, 2013
- Akgoz A et al: Imaging of rickettsial, spirochetal, and parasitic infections. Neuroimaging Clin N Am. 22(4):633-57, 2012
- Aliaga L et al: Mediterranean spotted fever with encephalitis. J Med Microbiol. 58(Pt 4):521-5, 2009
- Singh-Behl D et al: Tick-borne infections. Dermatol Clin. 21(2):237-44, v, 2003
- Walker DH et al: Pathogenic mechanisms of diseases caused by Rickettsia. Ann N Y Acad Sci. 990:1-11, 2003
- Warner RD et al: Rocky Mountain spotted fever. J Am Vet Med Assoc. 221(10):1413-7, 2002
- Bonawitz C et al: Comparison of CT and MR features with clinical outcome in patients with Rocky Mountain spotted fever. AJNR Am J Neuroradiol. 18(3):459-64, 1997
- Baganz MD et al: Rocky Mountain spotted fever encephalitis: MR findings. AJNR Am J Neuroradiol. 16(4 Suppl):919-22, 1995
Related Anatomy
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
- Rocky Mountain spotted fever (RMSF), Q fever, epidemic typhus (ET)
Synonyms
- Tick typhus, Tobia fever (Colombia), febre maculosa (Brazil), fiebre manchada (Mexico)
Definitions
- Zoonotic infections of squirrels and other animals → ticks carrying Rickettsia → humans
- Exception is Q fever (caused by Coxiella burnetii) transmitted by inhalation
- Zoonotic infections of squirrels and other animals → ticks carrying Rickettsia → humans
IMAGING
General Features
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Akram SM et al: Rickettsia prowazekii (epidemic typhus), 2020
- Snowden J et al: Rickettsia rickettsiae (Rocky Mountain spotted fever), 2020
- Bermúdez CSE et al: A review of the genus Rickettsia in Central America. Res Rep Trop Med. 9:103-112, 2018
- Delord M et al: Rickettsioses and Q fever in travelers (2004-2013). Travel Med Infect Dis. 12(5):443-58, 2014
- Hart BL et al: Armies of Pestilence: CNS Infections as Potential Weapons of Mass Destruction. AJNR Am J Neuroradiol. ePub, 2014
- Parola P et al: Update on tick-borne rickettsioses around the world: a geographic approach. Clin Microbiol Rev. 26(4):657-702, 2013
- Akgoz A et al: Imaging of rickettsial, spirochetal, and parasitic infections. Neuroimaging Clin N Am. 22(4):633-57, 2012
- Aliaga L et al: Mediterranean spotted fever with encephalitis. J Med Microbiol. 58(Pt 4):521-5, 2009
- Singh-Behl D et al: Tick-borne infections. Dermatol Clin. 21(2):237-44, v, 2003
- Walker DH et al: Pathogenic mechanisms of diseases caused by Rickettsia. Ann N Y Acad Sci. 990:1-11, 2003
- Warner RD et al: Rocky Mountain spotted fever. J Am Vet Med Assoc. 221(10):1413-7, 2002
- Bonawitz C et al: Comparison of CT and MR features with clinical outcome in patients with Rocky Mountain spotted fever. AJNR Am J Neuroradiol. 18(3):459-64, 1997
- Baganz MD et al: Rocky Mountain spotted fever encephalitis: MR findings. AJNR Am J Neuroradiol. 16(4 Suppl):919-22, 1995
